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. 2023 Feb 16;10:1097974. doi: 10.3389/fcvm.2023.1097974

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Copyright © 2023 Shanmuganathan, Kotronias, Burrage, Ng, Banerjee, Xie, Fletcher, Manley, Borlotti, Emfietzoglou, Mentzer, Marin, Raman, Oxford Acute Myocardial Infarction (OxAMI) investigators, Tunnicliffe, Neubauer, Piechnik, Channon and Ferreira.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Myocardial tissue characteristics on cardiovascular magnetic resonance (CMR) during acute COVID-19 in hospitalized patients compared to controls without COVID-19 from the community matched for cardiovascular risk factors. Comparison of global myocardial T1, T2 signal intensity (T2SI) ratio, and extracellular volume (ECV) fraction between outpatient controls without COVID-19 and patients with acute COVID-19 during their hospitalization. Green dotted line in the graphs denotes the upper limit of normal ranges for T1, T2SI ratio, and ECV in the 3 T MR scanner used for this study.